One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when you can plant nemesia is to consult the USDA zone info for Chesterfield.

Planting Calendar for Nemesia

Frost tolerance for nemesia:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since nemesia are not cold tolerant you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant nemesia in Chesterfield is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant nemesia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your nemesia may not have a chance to grow to maturity. If you are starting your nemesia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Chesterfield the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Chesterfield may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Chesterfield you get a frost after April 15 be ready to protect your nemesia if you have one of those late frosts.

USDA Zone Info for Chesterfield

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Chesterfield

You may be interested in your other planting guides for Chesterfield.